Intelligent water meter with micro-current detection function

Intelligent water meter with micro-current detection function

The utility model provides an intelligent water meter with a micro-current detection function, which comprises a water meter body, an electronic module, a battery and a micro-current detection circuit, the electronic module and the battery are arranged in the water meter body, and the micro-current...

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Hauptverfasser: LIU DAN, WANG PENG, GONG GANGAN, CAI XIN
Format: Patent
Sprache:chi ; eng
Schlagworte:
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
TESTING
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creator LIU DAN
WANG PENG
GONG GANGAN
CAI XIN
description The utility model provides an intelligent water meter with a micro-current detection function, which comprises a water meter body, an electronic module, a battery and a micro-current detection circuit, the electronic module and the battery are arranged in the water meter body, and the micro-current detection circuit is arranged in the water meter body and is used for detecting quiescent current of the electronic module powered by the battery. The control module is used for controlling the power supply to control the on-off of the MOS tube; when the MOS tube is cut off, the internal current of the water meter body is sampled through a sampling resistor; the clamping circuit is used for reducing power supply voltage fluctuation of the electronic module caused by instantaneous large current; the amplification and IV conversion circuit is used for carrying out current signal and voltage signal conversion on sampling information and has a signal amplification function; according to the intelligent water meter, the
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
TESTING
title Intelligent water meter with micro-current detection function
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